Blood pressure:High blood pressure has been identified as a risk factor for heart attacks and strokes. The proportion of U.S. adults with high blood pressure is0.3

. A sample of31

U.S. adults is chosen. Use the TI-84 Plus Calculator as needed. Round the answer to at least four decimal places.

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Is it appropriate to use the normal approximation to find the probability that more than

47

%

of the people in the sample have high blood pressure?It

(Choose one)

appropriate to use the normal curve, since=

np

(Choose one)

10

and=

n

1

p

(Choose one)

10

.